[ 1.863246] ip (249) used greatest stack depth: 12328 bytes left [ 2.232756] 8021q: 802.1Q VLAN Support v1.8 [ 2.426300] lag2: Mode changed to "loadbalance" [ 2.448624] lag2: Port device veth3 added [ 2.480007] lag2: Port device veth5 added [ 2.499209] 8021q: adding VLAN 0 to HW filter on device lag2 [ 2.509377] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.509458] #PF: supervisor write access in kernel mode [ 2.509507] #PF: error_code(0x0002) - not-present page [ 2.509558] PGD 70b3067 P4D 70b3067 PUD 33f9067 PMD 0 [ 2.509618] Oops: Oops: 0002 [#1] SMP [ 2.509665] CPU: 0 UID: 0 PID: 317 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.509759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.509823] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.509889] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 2.510067] RSP: 0018:ffffac62403eb628 EFLAGS: 00010046 [ 2.510126] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 2.510216] RDX: ffffac62403eb660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.510293] RBP: ffffac62403eb660 R08: 0000000000000001 R09: 0000000000000001 [ 2.510370] R10: 0000000000000001 R11: 0000000000000007 R12: 0000000000000000 [ 2.510446] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.510525] FS: 00007fa45150a800(0000) GS:ffff9f84a65da000(0000) knlGS:0000000000000000 [ 2.510606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.510676] CR2: 0000000000000000 CR3: 00000000063a4005 CR4: 0000000000772ef0 [ 2.510754] PKRU: 55555554 [ 2.510778] Call Trace: [ 2.510807] [ 2.510839] __cancel_work+0x29/0xe0 [ 2.510889] ? dev_mc_unsync+0x78/0x90 [ 2.510935] __cancel_work_sync+0x16/0x80 [ 2.510981] __dev_close_many+0x11b/0x280 [ 2.511027] __dev_change_flags+0xed/0x220 [ 2.511073] netif_change_flags+0x25/0x60 [ 2.511119] dev_change_flags+0x40/0x80 [ 2.511165] cycle_netdev+0x36/0x70 [vrf] [ 2.511210] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.511256] do_set_master+0x10b/0x170 [ 2.511301] do_setlink.constprop.0+0x320/0x1120 [ 2.511360] ? __nla_validate_parse+0x5d/0xe70 [ 2.511424] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.511486] rtnl_newlink+0x7fa/0xbc0 [ 2.511533] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.511593] ? netdev_run_todo+0x63/0x550 [ 2.511638] ? rtnl_setlink+0x2c0/0x2c0 [ 2.511682] rtnetlink_rcv_msg+0x358/0x400 [ 2.511722] ? get_page_from_freelist+0x15b4/0x1770 [ 2.511780] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.511838] netlink_rcv_skb+0x57/0x100 [ 2.511886] netlink_unicast+0x252/0x380 [ 2.511929] ? __alloc_skb+0xfc/0x1e0 [ 2.511976] netlink_sendmsg+0x1be/0x3e0 [ 2.512022] ____sys_sendmsg+0x132/0x260 [ 2.512067] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.512126] ___sys_sendmsg+0x87/0xd0 [ 2.512171] ? do_wp_page+0x369/0xe90 [ 2.512217] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.512275] ? fsnotify_grab_connector+0x48/0x80 [ 2.512333] ? fsnotify_destroy_marks+0x29/0x150 [ 2.512391] __sys_sendmsg+0x71/0xd0 [ 2.512438] do_syscall_64+0xa4/0xfd0 [ 2.512488] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.512547] RIP: 0033:0x7fa4516d81d7 [ 2.512591] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 2.512776] RSP: 002b:00007ffc6914c3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.512859] RAX: ffffffffffffffda RBX: 00007ffc6914cb00 RCX: 00007fa4516d81d7 [ 2.512936] RDX: 0000000000000000 RSI: 00007ffc6914c440 RDI: 0000000000000005 [ 2.513013] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.513090] R10: 0000000032492910 R11: 0000000000000246 R12: 0000000000000004 [ 2.513167] R13: 00000000691cc0eb R14: 0000000000499600 R15: 0000000000000000 [ 2.513246] [ 2.513270] Modules linked in: 8021q vrf veth [ 2.513329] CR2: 0000000000000000 [ 2.513367] ---[ end trace 0000000000000000 ]--- [ 2.513420] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.513481] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 2.513661] RSP: 0018:ffffac62403eb628 EFLAGS: 00010046 [ 2.513714] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 2.513792] RDX: ffffac62403eb660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.513868] RBP: ffffac62403eb660 R08: 0000000000000001 R09: 0000000000000001 [ 2.513946] R10: 0000000000000001 R11: 0000000000000007 R12: 0000000000000000 [ 2.514025] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.514105] FS: 00007fa45150a800(0000) GS:ffff9f84a65da000(0000) knlGS:0000000000000000 [ 2.514191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.514262] CR2: 0000000000000000 CR3: 00000000063a4005 CR4: 0000000000772ef0 [ 2.514342] PKRU: 55555554 [ 2.514373] note: ip[317] exited with irqs disabled [ 2.514640] ip (317) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr